Car diagnostic tool for OBDII code reading and battery testing1、KW870 auto tester is a professional diagnostic scan tool for vehicle owners, it has almost OBDII/EOBD diagnostic functions, including battery test, cranking test and charging test. 2、Works with most vehicles sold in the USA since 1996; supports all OBDII protocols. Works with English, German,French,German,Dutch,Spanish,Russian,Portuguesse,Italian,Polish. 3、Gets power directly from your vehicle\u0027s OBDII datalink connector to quickly scan and erase engine trouble codes, allowing you to decide if you can fix it or need more advanced help. 4、This diagnostic scanner has a large 2.8\" LCD color screen, no need to install any APP, you can read the codes on the screen. 5、Anti-vibration and anti-slip design with unique dustproof surface gives you a more comfortable feel, more durable and more powerful; audio feedback and 3 LED indicators tell you the fault code status, allowing you to diagnose your vehicle faster and operate more easily.